/**
  ******************************************************************************
  * File Name          : main.c
  * Description        : Main program body
  ******************************************************************************
  ** This notice applies to any and all portions of this file
  * that are not between comment pairs USER CODE BEGIN and
  * USER CODE END. Other portions of this file, whether
  * inserted by the user or by software development tools
  * are owned by their respective copyright owners.
  *
  * COPYRIGHT(c) 2017 STMicroelectronics
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
  *   1. Redistributions of source code must retain the above copyright notice,
  *      this list of conditions and the following disclaimer.
  *   2. Redistributions in binary form must reproduce the above copyright notice,
  *      this list of conditions and the following disclaimer in the documentation
  *      and/or other materials provided with the distribution.
  *   3. Neither the name of STMicroelectronics nor the names of its contributors
  *      may be used to endorse or promote products derived from this software
  *      without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "stm32l4xx_hal.h"

/* USER CODE BEGIN Includes */
#include "log.h"
#include "bsp_flash.h"
/* USER CODE END Includes */

/* Private variables ---------------------------------------------------------*/
UART_HandleTypeDef hlpuart1;

QSPI_HandleTypeDef hqspi;
DMA_HandleTypeDef hdma_quadspi;

/* USER CODE BEGIN PV */
/* Private variables ---------------------------------------------------------*/
#if defined(__CC_ARM)
extern uint32_t Load$$QSPI$$Base;
extern uint32_t Load$$QSPI$$Length;
#elif defined(__ICCARM__)
#pragma section =".qspi"
#pragma section =".qspi_init"
#elif defined(__GNUC__)
extern uint32_t _qspi_init_base;
extern uint32_t _qspi_init_length;
#endif


/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_DMA_Init(void);
static void MX_QUADSPI_Init(void);
static void MX_LPUART1_UART_Init(void);

/* USER CODE BEGIN PFP */
/* Private function prototypes -----------------------------------------------*/
static void GpioToggle(void);

/* USER CODE END PFP */

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

int main(void)
{

    /* USER CODE BEGIN 1 */

    uint32_t qspi_addr = 0;
    uint8_t *flash_addr = (uint8_t *)(&Load$$QSPI$$Base);
    uint32_t flash_len = (uint32_t)(&Load$$QSPI$$Length);

    uint8_t rBuf[10] = {0};


    /* USER CODE END 1 */

    /* MCU Configuration----------------------------------------------------------*/

    /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
    HAL_Init();

    /* USER CODE BEGIN Init */

    /* USER CODE END Init */

    /* Configure the system clock */
    SystemClock_Config();

    /* USER CODE BEGIN SysInit */

    /* USER CODE END SysInit */

    /* Initialize all configured peripherals */
    MX_GPIO_Init();
    MX_DMA_Init();
    MX_QUADSPI_Init();
    MX_LPUART1_UART_Init();

    /* USER CODE BEGIN 2 */
    LOG("Hello, QSPI");

    bsp_flash_init(&hqspi);

    LOG("Flash ID %06X", QSPI_ReadFlashId());

    bsp_flash_sector_erase(0);

    //bsp_flash_write(0, tBuf, 10);

    bsp_flash_write(qspi_addr, flash_addr, flash_len);

    bsp_flash_read(0, rBuf, 10);

    LOG("rBuf:");

    for(int i = 0; i < 10; i++)
    {
        printf("%02X ", rBuf[i]);
    }


    /* USER CODE END 2 */
    
    QSPI_EnableMemMapping(qspi_addr);

    /* Infinite loop */
    /* USER CODE BEGIN WHILE */
    LOG("Exec form external flash!");

    while(1)
    {
        GpioToggle();
        /* USER CODE END WHILE */

        /* USER CODE BEGIN 3 */

    }

    /* USER CODE END 3 */

}

/** System Clock Configuration
*/
void SystemClock_Config(void)
{

    RCC_OscInitTypeDef RCC_OscInitStruct;
    RCC_ClkInitTypeDef RCC_ClkInitStruct;
    RCC_PeriphCLKInitTypeDef PeriphClkInit;

    /**Initializes the CPU, AHB and APB busses clocks
    */
    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
    RCC_OscInitStruct.HSIState = RCC_HSI_ON;
    RCC_OscInitStruct.HSICalibrationValue = 64;
    RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
    RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
    RCC_OscInitStruct.PLL.PLLM = 1;
    RCC_OscInitStruct.PLL.PLLN = 10;
    RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
    RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
    RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;

    if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
    {
        _Error_Handler(__FILE__, __LINE__);
    }

    /**Initializes the CPU, AHB and APB busses clocks
    */
    RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
                                  | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
    RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
    RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
    RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
    RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

    if(HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
    {
        _Error_Handler(__FILE__, __LINE__);
    }

    PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_LPUART1;
    PeriphClkInit.Lpuart1ClockSelection = RCC_LPUART1CLKSOURCE_HSI;

    if(HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
    {
        _Error_Handler(__FILE__, __LINE__);
    }

    /**Configure the main internal regulator output voltage
    */
    if(HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1) != HAL_OK)
    {
        _Error_Handler(__FILE__, __LINE__);
    }

    /**Configure the Systick interrupt time
    */
    HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq() / 1000);

    /**Configure the Systick
    */
    HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);

    /* SysTick_IRQn interrupt configuration */
    HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
}

/* LPUART1 init function */
static void MX_LPUART1_UART_Init(void)
{

    hlpuart1.Instance = LPUART1;
    hlpuart1.Init.BaudRate = 115200;
    hlpuart1.Init.WordLength = UART_WORDLENGTH_8B;
    hlpuart1.Init.StopBits = UART_STOPBITS_1;
    hlpuart1.Init.Parity = UART_PARITY_NONE;
    hlpuart1.Init.Mode = UART_MODE_TX_RX;
    hlpuart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
    hlpuart1.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
    hlpuart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;

    if(HAL_UART_Init(&hlpuart1) != HAL_OK)
    {
        _Error_Handler(__FILE__, __LINE__);
    }

}

/* QUADSPI init function */
static void MX_QUADSPI_Init(void)
{

    /* QUADSPI parameter configuration*/
    hqspi.Instance = QUADSPI;
    hqspi.Init.ClockPrescaler = 1;
    hqspi.Init.FifoThreshold = 1;
    hqspi.Init.SampleShifting = QSPI_SAMPLE_SHIFTING_NONE;
    hqspi.Init.FlashSize = 21;
    hqspi.Init.ChipSelectHighTime = QSPI_CS_HIGH_TIME_2_CYCLE;
    hqspi.Init.ClockMode = QSPI_CLOCK_MODE_0;
    hqspi.Init.FlashID = QSPI_FLASH_ID_1;
    hqspi.Init.DualFlash = QSPI_DUALFLASH_DISABLE;

    if(HAL_QSPI_Init(&hqspi) != HAL_OK)
    {
        _Error_Handler(__FILE__, __LINE__);
    }

}

/**
  * Enable DMA controller clock
  */
static void MX_DMA_Init(void)
{
    /* DMA controller clock enable */
    __HAL_RCC_DMA1_CLK_ENABLE();

    /* DMA interrupt init */
    /* DMA1_Channel5_IRQn interrupt configuration */
    HAL_NVIC_SetPriority(DMA1_Channel5_IRQn, 0, 0);
    HAL_NVIC_EnableIRQ(DMA1_Channel5_IRQn);

}

/** Configure pins as
        * Analog
        * Input
        * Output
        * EVENT_OUT
        * EXTI
*/
static void MX_GPIO_Init(void)
{

    GPIO_InitTypeDef GPIO_InitStruct;

    /* GPIO Ports Clock Enable */
    __HAL_RCC_GPIOA_CLK_ENABLE();
    __HAL_RCC_GPIOB_CLK_ENABLE();
    __HAL_RCC_GPIOG_CLK_ENABLE();
    HAL_PWREx_EnableVddIO2();

    /*Configure GPIO pin Output Level */
    HAL_GPIO_WritePin(GPIOB, LD3_Red_Pin | LD2_Blue_Pin, GPIO_PIN_SET);

    /*Configure GPIO pins : LD3_Red_Pin LD2_Blue_Pin */
    GPIO_InitStruct.Pin = LD3_Red_Pin | LD2_Blue_Pin;
    GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

}

/* USER CODE BEGIN 4 */
/**
  * @brief  Toggle the GPIOs
  * @param  None
  * @retval None
  */
#if defined(__CC_ARM)
#pragma arm section code = ".qspi"
#pragma no_inline
static void GpioToggle(void)
#elif defined(__ICCARM__)
static void GpioToggle(void) @ ".qspi"
#elif defined(__GNUC__)
static void __attribute__((section(".qspi"), noinline)) GpioToggle(void)
#endif
{
    //BSP_LED_Toggle(LED1);
    HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_7);
    /* Insert delay 100 ms */
    HAL_Delay(100);
    //BSP_LED_Toggle(LED2);
    /* Insert delay 100 ms */
    HAL_Delay(100);
}
#if defined(__CC_ARM)
#pragma arm section code
#endif

/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @param  None
  * @retval None
  */
void _Error_Handler(char *file, int line)
{
    /* USER CODE BEGIN Error_Handler_Debug */
    LOG("_Error_Handler at:\n%s\n%d", file, line);

    /* User can add his own implementation to report the HAL error return state */
    while(1)
    {
    }

    /* USER CODE END Error_Handler_Debug */
}

#ifdef USE_FULL_ASSERT

/**
   * @brief Reports the name of the source file and the source line number
   * where the assert_param error has occurred.
   * @param file: pointer to the source file name
   * @param line: assert_param error line source number
   * @retval None
   */
void assert_failed(uint8_t *file, uint32_t line)
{
    /* USER CODE BEGIN 6 */
    /* User can add his own implementation to report the file name and line number,
      ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */

    LOG("Assert failed at:\n%s\n%d", file, line):

        /* USER CODE END 6 */

    }

#endif

    /**
      * @}
      */

    /**
      * @}
    */

    /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
